40685708 has 12 divisors (see below), whose sum is σ = 81371472. Its totient is φ = 17436720.

The previous prime is 40685699. The next prime is 40685713. The reversal of 40685708 is 80758604.

40685708 is an admirable number.

It is a super-2 number, since 2×40685708² = 3310653670922528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726503 + ... + 726558.

It is an arithmetic number, because the mean of its divisors is an integer number (6780956).

Almost surely, 2^40685708 is an apocalyptic number.

It is an amenable number.

40685708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40685708 is a wasteful number, since it uses less digits than its factorization.

40685708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453072 (or 1453070 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 40685708 is about 6378.5349415050. The cubic root of 40685708 is about 343.9383678119.

The spelling of 40685708 in words is "forty million, six hundred eighty-five thousand, seven hundred eight".